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DTC B1247: Tire Pressure Monitor Receiver Communication Stop [12/2019 - 11/2023]: Description

The main body ECU (multiplex network body ECU) and tire pressure warning ECU and receiver communicate by direct line. If a malfunction occurs in this communication signal, B1247 is output by the main body ECU (multiplex network body ECU).

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B1247 Tire Pressure Monitor Receiver Communication Stop Communication between the tire pressure warning ECU and receiver and main body ECU (multiplex network body ECU) is interrupted for 10 seconds or more.
  • Tire pressure warning ECU and receiver
  • Wire harness or connector
  • Main body ECU (Multiplex network body ECU)
This DTC is for main body ECU (multiplex network body ECU)